Prefix Information

The prefix 640 is part of area code 707 serving Santa Rosa, California.

This exchange contains 10,000 possible phone numbers (707-640-0000 through 707-640-9999).

Browse Numbers in This Prefix

707-640-0000-0999 707-640-1000-1999 707-640-2000-2999 707-640-3000-3999 707-640-4000-4999 707-640-5000-5999 707-640-6000-6999 707-640-7000-7999 707-640-8000-8999 707-640-9000-9999

Sample Numbers

(707) 640-0000 (707) 640-1234 (707) 640-2000 (707) 640-3333 (707) 640-4444 (707) 640-5555 (707) 640-6000 (707) 640-7777 (707) 640-8888 (707) 640-9999